How is cloning possible, and could it be used in the de-extinction of some species?
Phil Seddon is a professor of zoology at the University of Otago and joins Emile Donovan.
A Montana man has been fined $20,000 USD and sent to jail for six months after cloning a giant Kyrgystani sheep and selling its offspring to be used for trophy hunting (file photo)
Photo: RNZ / Peter de Graaf